Fintech · 2026
The solidarity of tontines, the power of AI.
- Role
- Architect & full-stack developer
- Client
- Kauri
- Period
- 2026
- Platforms
- android · ios · api · admin · web
A personal finance fintech: wallet, digital tontines, shared budgets, gamified savings challenges, AI financial coach, receipt scanning and automated KYC. The backend is the single financial source of truth.
3
apps: mobile, admin, API
IA
coach, OCR and KYC
2FA
secured administration
Animated overview
Challenges
01
Zero client-side money maths
Balances, exchange rates and payment statuses are never computed by the app: everything goes through the server.
02
Real-time fraud detection
Heuristics on every transaction and automatic refund when a mobile operator transfer fails.
Stack
Node.jsTypeScriptMongoDBFlutterReact 19GeminiGrafana
Next project
GPChat